COBB Stage 1 Power Package 2006-2007 WRX / 2004-2007 STI / 2004-2006 Forester XT

Combining the world's best selling, most flexible ECU upgrade solution along with a high flow filter to increase air flow, COBB brings you the COBB Stage 1 Power Package for your Subaru. Start here, down the modifying road with the best bang for your buck by treating your vehicle to parts that will increase your power and improve overall driveability. Nothing but a win/win situation!